TL;DR

Backend Developer (Web3): Designing and implementing scalable, robust backend services and APIs for a crypto wallet application with an accent on database management, caching, and microservices architecture. Focus on building high-performance systems for Web3 applications and integrating third-party services like Solana RPCs.

Location: Remote (Global)

Company

%hirify_global% is a fast-growing crypto wallet providing a powerful gateway to Web3, securing over $20 billion in digital assets, with offices in Zagreb, Belgrade, and Novi Sad.

What you will do

Design and implement scalable and robust backend services.
Develop APIs and integrate third-party services and Solana RPCs.
Manage databases (PostgreSQL, MongoDB) and ensure data integrity and security.
Implement caching mechanisms using Redis for improved performance.
Deploy and manage applications on cloud platforms (DigitalOcean, Google Cloud Platform).
Design and implement a microservices architecture for scalability and maintainability.

Requirements

Minimum of 4 years of experience in backend development with a focus on web2/web3 technologies.
Proficient in Node.js, Express.js, PostgreSQL, MongoDB, Redis, and PrismaJS.
Experience with cloud services (Google Cloud Platform, DigitalOcean) and DevOps practices.
Experience with unit and integration tests using Jest.
Knowledge of event-based architecture and microservices design patterns.
Strong communication and collaboration skills.

Nice to have

Familiarity with blockchain technologies, specifically Solana.
Proficiency in machine learning concepts.
Experience in designing and optimizing backends to handle large volumes of data efficiently.

Culture & Benefits

Flexible work environment: remote or office, with flexible work time.
Individual education budget.
Cool team buildings.
Private health insurance.
Opportunity to learn about crypto.